Panasonic FV-11VH2 Whisper Warm 110 CFM Ceiling Mounted Fan, Heat Combination, White/Cream Panasonic WhisperWarm Ceiling Mounted Fan/Heat Combinations are smaller, quieter, warmer, and easier to install A tubular, stainless-steel-sheathed heating element features Nichrome wire with magnesium oxide for optimal heat transfer Blower wheel is designed to draw air in both sides allowing more area for air to enter the wheel.Mounting opening (inches sq.) 17 3/ x 12 5/8 inch,Grille size (inches sq.) 18 1/8 L x 13 5/16 inch W Continuous, trouble-free operation for many years due to high-quality components and permanently lubricated motors Rated 110 cubic feet per minute. Noise (sones) 0.7 at 0.1 inches static pressure. Gross Weight is 22.7 pounds